The FBXL10 protein (also known as KDM2B, JHDM1B, CXXC2, and NDY1) is bound to essentially all CpG-rich promoters in the mammalian genome. FBXL10 is expressed as two isoforms: FBXL10-1, a longer form that contains an N-terminal JmjC domain with C- terminal F-box, CXXC, PHD, RING, and leucine rich repeat (LRR) domains, and FBXL10-2, a shorter form that initiates at an alternative internal exon and which lacks the JmjC domain but retains the other domains. Selective deletion of Fbxl10-1 had been reported to produce a minor and variable phenotype, and most mutant animals were essentially normal. We show here that deletion of Fbxl10-2 (in a manner that does not perturb expression of Fbxl10-1) resulted in a very different phenotype with craniofacial abnormalities, greatly increased lethality, and female sterility in surviving homozygous mutants. The phenotype of the Fbxl10-2 deletion was more severe in female mutants. We found that mutants that lacked both FBXL10-1 and -2 showed embryonic lethality and even more extreme sexual dimorphism, with more severe gene dysregulation in mutant female embryos. X-linked genes were most severely dysregulated, and there was marked overexpression of Xist in mutant females although genes that encode factors that bind to Xist RNA were globally down-regulated in mutant female as compared to male embryos. FBXL10 is the first factor shown to be required both for the normal expression and function of the Xist gene. Overall design: Expression analysis using RNA-seq was performed on WT and Fbxl10T/T male and female embryos.
Abnormal X chromosome inactivation and sex-specific gene dysregulation after ablation of FBXL10.
Sex, Specimen part, Cell line, Subject
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WAMIDEX: a web atlas of murine genomic imprinting and differential expression.
Age, Specimen part
View SamplesComparison of gene expression levels between matUPD12 and patUPD12 15.5 dpc whole embryo or placenta samples (maternal versus paternal uniparental disomy of Chr 12). Identification of highly differentially expressed transcripts.
WAMIDEX: a web atlas of murine genomic imprinting and differential expression.
Age, Specimen part
View SamplesDuring oogenesis, DNA methyltransferase 3-like (Dnmt3l) is required for the establishment of the maternal germline DNA methylation imprints that in the offspring, govern the parent-of-origin-specific expression of most known imprinted genes (Science 2001, 294:2536-9). Dnmt3l-deficient dams were crossed with wildtype sires to obtain Dnmt3l-/+ embryos that lack maternal methylation imprints. Gene expression was measured in Dnmt3l-/+ and wildtype embryos and is expected to differ for imprinted genes that are under the control of a maternal methylation mark.
WAMIDEX: a web atlas of murine genomic imprinting and differential expression.
Sex, Age, Specimen part
View SamplesComparison of gene expression levels between matUPD18 and patUPD18 8.5 dpc whole embryo samples (maternal versus paternal uniparental disomy of Chr 18). Identification of highly differentially expressed transcripts.
WAMIDEX: a web atlas of murine genomic imprinting and differential expression.
Age, Specimen part
View SamplesEffect of either FLO8 or MSS11 deletion and -overexpression on yeast transcript profiles compared to wild type in laboratory yeast strains 1278b and S288c - also the effect of FLO11 (MUC1) overexpression in the 1278b genetic background
Many Saccharomyces cerevisiae Cell Wall Protein Encoding Genes Are Coregulated by Mss11, but Cellular Adhesion Phenotypes Appear Only Flo Protein Dependent.
No sample metadata fields
View SamplesThe generation of induced pluripotent stem cells (iPSCs) often results in aberrant silencing of the imprinted Dlk1-Dio3 gene cluster, which compromises their ability to generate entirely iPSC-derived mice (all-iPSC mice). Here, we show that reprogramming in the presence of ascorbic acid attenuates hypermethylation of Dlk1-Dio3 by enabling a chromatin configuration at its imprint control region that interferes with abnormal binding of the DNA methyltransferase Dnmt3a. This approach allowed us to generate adult all-iPSC mice from mature B cells, which have thus far failed to support the development of exclusively iPSC-derived postnatal mice. Our data demonstrate that factor-mediated reprogramming can endow a defined, terminally differentiated cell type with a developmental potential equivalent to that of embryonic stem cells. More generally, these findings indicate that the choice of culture conditions used for transcription factor-mediated reprogramming can strongly influence the epigenetic and biological properties of resultant iPSCs.
Ascorbic acid prevents loss of Dlk1-Dio3 imprinting and facilitates generation of all-iPS cell mice from terminally differentiated B cells.
Specimen part, Treatment
View SamplesThis SuperSeries is composed of the SubSeries listed below.
PHABULOSA Mediates an Auxin Signaling Loop to Regulate Vascular Patterning in Arabidopsis.
Specimen part
View SamplesThe class III HD-ZIPtranscription factors regulate vascular patterning in Arabidopsis thaliana roots. In this expression study we compare the expression profile in root tips upon miR165 induction, after 6h, 10h and 24h. The results are presented in PHABULOSA mediates an auxin signaling loop to regulate vascular patterning in Arabidopsis by Christina Joy Mller, Ana Elisa Valds, Guodong Wang, Prashanth Ramachandran, Lisa Beste, Daniel Uddenberg, and Annelie Carlsbecker, accepted for publication in Plant Physiology Nov. 2015.
PHABULOSA Mediates an Auxin Signaling Loop to Regulate Vascular Patterning in Arabidopsis.
Specimen part
View SamplesThe class III HD-ZIP transcription factors regulate vascular patterning in Arabidopsis thaliana roots. In this expression study we compare the expression profile of the cna-2 phb-13 phv-11 and cna-2 phb-13 phv-11 rev-6 mutants to their wild type. The results are presented in PHABULOSA mediates an auxin signaling loop to regulate vascular patterning in Arabidopsis by Christina Joy Mller, Ana Elisa Valds, Guodong Wang, Prashanth Ramachandran, Lisa Beste, Daniel Uddenberg, and Annelie Carlsbecker, accepted for publication in Plant Physiology Nov. 2015.
PHABULOSA Mediates an Auxin Signaling Loop to Regulate Vascular Patterning in Arabidopsis.
No sample metadata fields
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